Home / 237,406.98-327,621.96-129,977.76

Finding the Fourth Proportional to 237,406.98, 327,621.96 and 129,977.76

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Solution

The fourth proportional to 237,406.98, 327,621.96 and 129,977.76 is: 179,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,406.98 : 327,621.96 = 129,977.76 : x
  2. Step 2: Convert to fraction form
    237,406.98/327,621.96 = 129,977.76/x
  3. Step 3: Cross multiply
    237,406.98x = 327,621.96 × 129,977.76
  4. Step 4: Simplify right side
    237,406.98x = 42,583,568,487.61
  5. Step 5: Solve for x
    x = 42,583,568,487.61/237,406.98
  6. Step 6: Final answer
    x = 179,369.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.